[LinuxBIOS] SPI flash-chips

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Mon Mar 12 17:06:56 CET 2007

On 12.03.2007 16:57, Anton wrote:
> On Mon, 12 Mar 2007 11:53:43 -0400
> Ward Vandewege <ward at gnu.org> wrote:
>> On Mon, Mar 12, 2007 at 04:50:18PM +0100, Carl-Daniel Hailfinger wrote:
>>> On 12.03.2007 16:29, Ward Vandewege wrote:
>>>> On Mon, Mar 12, 2007 at 11:22:12PM +0800, Anton wrote:
>>>>> What are the means for recovering from faulty writes into SPI
>>>>> flash-chip? Chip is not socketed ;) Moreover, it is soldered.
>>>> De-solder the chip, and put a socket on it. Richard Smith helped me out with
>>>> that, we now have one m57sli-s4 board with a socket instead of the
>>>> soldered-on chip. Requires quite a bit of skill and some good equipment
>>>> though (heat-pencil or heat-gun and a good soldering iron).
>>> Anton wrote about SPI (SOIC) flash, not LPC/FWH (PLCC32) flash. Are
>>> there really matching sockets out there?
>> Yeah, sorry, my bad :( I was referring to LPC (PLCC32). I don't know anything
>> about SPI.
> O'k. Does anyone common w/ SPI flashing / BIOS Saviour tools out there?

Easiest would be to desolder the CE# "chip enable" pin, connect it to
high level, attach a SPI chip with known-good image on top of it and
connect CE# of the new chip to the board.


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